Lincoln Electric COMMANDER SVM145-B Service Manual page 90

F-34
FLASHING AND ROTOR VOLTAGE TEST (continued)
TEST PROCEDURE
1. Using the 3/8" wrench, remove the sheet
metal screws from the left front case side.
2. Carefully remove the left case side.
3. Set the volt/ohmmeter to the DC volts posi-
tion.
4. Connect the positive meter probe to the
brush nearest the rotor lamination (leads
#200A and #200B). See Figure F.12.for
location.
TROUBLESHOOTING & REPAIR
FIGURE F.12 – ROTOR BRUSH LEADS
COMMANDER 300
#201
5. Connect the negative meter probe to the
other brush (lead #201).
6. Start the engine and run it at high idle
speed (1900 RPM).
reading on the meter.
approximately 160VDC.
F-34
#200A
#200B
Check the voltage
It should read